Merge pull request #1445 from kounoike/pr-404

404 for non-implemented api

src/main/scala/gitbucket/core/controller/ApiController.scala

@@ -59,6 +59,13 @@ trait ApiControllerBase extends ControllerBase {
     with ReadableUsersAuthenticator
     with WritableUsersAuthenticator =>
 
+  /**
+    * 404 for non-implemented api
+    */
+  get("/api/v3/*") {
+    NotFound()
+  }
+
   /**
     * https://developer.github.com/v3/#root-endpoint
     */